.flex-box{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nonecss{
    display: none;
}
.all-choose{
    margin-right: 10px;
    
}
.margin-l-r{
    margin: 0 5px;
}
.all-del{
    margin-right: 50px;
    background: red;
    color: #fff;
}